S-05-25 Generator Step-Up Transformer DataShts R0 NDA1

DRAFT

APPENDIX S ATTACHMENT 5

EXHIBIT 25

GENERATOR STEP-UP TRANSFORMER SPECIFICATION DATASHEETS

PORTLAND GENERAL ELECTRIC

2012

REQUEST FOR PROPOSAL

NO. DATE REVISION BY CHK'D APPROVALS

0 23Apr12 Issued for RFP

POWER TRANSFORMERS DETAILED SPECIFICATION SDS-M011- 03

Portland General Electric Page 1

SUBSTATION ENGINEERING STANDARD SPECIFICATION

POWER TRANSFORMER

DETAILED SPECIFICATION

SDS-M011-03-(Generator Step-Up Transformer)

OPEN

Engineer: Ryan Jonak Checked: Jesse Duffy____________ Substation Engineering Manager: Brett Phillips EM&C Engineering Manager: Wayne Law



PART I - DESIGN REQUIREMENTS ................................................................................ 3

1.1 DESCRIPTION ................................................................................................................ 3 1.2 TRANSFORMER CAPACITY ....................................................................................... 3

1.3 PHASE DESIGNATION ................................................................................................. 3

1.4 WINDING TYPE ............................................................................................................. 3 1.5 TERTIARY WINDING ................................................................................................... 4

1.6 CORE AND COIL CONFIGURATION ......................................................................... 4 1.7 VOLTAGE AND SURGE ARRESTER RATINGS ........................................................ 5 1.8 BUSHING REQUIREMENTS ........................................................................................ 6

1.9 BUSHING CURRENT TRANSFORMERS .................................................................... 8 1.10 IMPEDANCE ................................................................................................................. 10 1.11 PARALLELING ............................................................................................................ 10 1.12 DETC .............................................................................................................................. 11 1.13 LTC ................................................................................................................................ 11 1.14 OIL ................................................................................................................................. 12

1.15 OIL PRESERVATION SYSTEM ................................................................................. 12

1.16 COOLING ...................................................................................................................... 12 1.17 FIBER OPTIC TEMPERATURE PROBES ................................................................. 13 1.18 TRANSFORMER MONITORING ............................................................................... 13

1.19 ALARMS ........................................................................................................................ 13 1.20 ON-LINE DISSOLVED GAS & MOISTURE MONITOR .......................................... 14

1.21 LIQUID LEVEL INDICATIORS ................................................................................. 14

1.22 PRESSURE RELIEF DEVICES ................................................................................... 14

1.23 TOP OIL TEMPERATURE INDICATOR ................................................................... 15 1.24 WINDING TEMPERATURE INDICATOR ................................................................ 15 1.25 DEHYDRATING BREATHERS ................................................................................... 15

1.26 AUXILLIARY POWER SOURCE ............................................................................... 16

1.27 AUDIBLE SOUND LEVEL ........................................................................................... 16

1.28 ANGULAR DISPLACEMENT OR POLARITY ......................................................... 17 1.29 LOSS EVALUATION FACTORS ................................................................................ 17

1.30 DESIGN REVIEW REQUIREMENTS ........................................................................ 18 1.31 PGE EQUIPMENT NUMBER ...................................................................................... 18

1.32 SHIPMENT .................................................................................................................... 18 1.33 DELIVERY ADDRESS ................................................................................................. 18

1.34 SUBMITTALS AND TEST REPORTS ........................................................................ 19 1.35 SUBMITTAL AND DELIVERY DATES ..................................................................... 19 1.36 CORRESPONDENCE ................................................................................................... 19

1.37 DELIVERY NOTICE .................................................................................................... 19



PART I - DESIGN REQUIREMENTS

1.1 DESCRIPTION

A. This specification covers the detailed design, construction, and operating requirements for mineral-oil-immersed outdoor station type power transformers.

1.2 TRANSFORMER CAPACITY

The transformer capacity for the H, X and Y windings at 65 ◦C shall be as specified by the rows checked () in Table 1:

Table 1 – Transformer Capacity in MVA

Winding ONAN ONAF ONAF ( )

H & X

192 256 320

84 112 140

75 100 125

52 66 70

30 40 50

16.8 22.4 28

12 16 20

90 120 150

Y Shall be specified by manufacturer

1.3 PHASE DESIGNATION The phase of the transformer shall be as checked () below.

Single phase

Three phase 1.4 WINDING TYPE The transformer winding type shall be as checked () below.

Two-winding

Three-winding

Autotransformer with tertiary winding



1.5 TERTIARY WINDING The tertiary winding shall be as checked () below.

Buried

Brought Out

Not required 1.6 CORE AND COIL CONFIGURATION The core and coil configuration shall be as checked ( ) below.

Circular

Manufacturers Choice



1.7 VOLTAGE AND SURGE ARRESTER RATINGS

The transformer shall have the voltage ratings, BIL ratings, and surge arrester ratings for each terminal designation as specified by the rows checked ( ) in Table 2.

Table 2 – Transformer Voltage and Surge Arrester Rating

Desired Rating ( )

Nominal System Voltage

Winding BIL

Arrester Duty Cycle

Rating (Station Class)

H Terminals

240 kV 750 kV 180 kV

120 kV 450 kV 90 kV

60 kV 350 kV 45 kV

60X120 kV 350X450

kV 45/90 kV

230kV 825kV 180kV

X Terminals

120 kV 450 kV 90 kV

60 kV 350 kV 45 kV

13.2 kV

(wye grounded)

110 kV 10 kV

13.2 kV (wye,

resistive grounded)

110 kV 15 kV

13.8 kV 110 kV 15 kV

Y Terminals

13.2 kV 110 kV 15 kV

13.8 kV 110 kV 15 kV

Neutral

110 kV



SURGE ARRESTER REQUIREMENTS

The surge arresters shall be supplied for each required duty cycle by the rows checked ( ) in Table 3 (No substitutions are allowed).

Table 3 – Surge Arrester Manufacturers

Duty Cycle Rating

Desired Arrester

( ) Manufacturer Type Catalog Number

180 kV Ohio Brass Polymer PVN 314144-3001

Siemens Polymer 3EL2 180-2PJ32-4NH5


Siemens Polymer 3EL2 090-2PJ31-4NH5


Siemens Polymer 3EL1045-1PH21-4YH5




1.8 BUSHING REQUIREMENTS

Bushing requirements shall be as specified by the rows checked ( ) in Table 4.

Table 4 – Bushing RequirementsDesired Bushing

( )

Bushing Voltage Rating

Continuous Current

BIL XFMR

Capacity

Acceptable

Manufacturers & Catalog Number

H Bushings



230 kV 1200 A 900 kV 150 MVA PCORE POC900G1216S

ABB Interchangeable with

PCORE

138 kV 800 A 650 kV

125 MVA PCORE POC650G0800S

70 MVA 50 MVA

ABB 138W0800AA 28 MVA

MVA

X Bushings



PCORE

69 kV 2000 A 350 kV 125 MVA PCORE 89523-70


PCORE

34.5 kV 4000 A 200 kV 70 MVA PCORE 88843-70


PCORE

34.5 kV 3000 A 200 kV 50 MVA PCORE 88833-70


PCORE

34.5 kV 2000 A 200 kV 28 MVA PCORE 88823-70


PCORE

113.8k

V 8000A 150kV

150 MVA


PCORE

Y Bushings

34.5 kV 4000 A 200 kV 320 MVA PCORE 88843-70


PCORE

34.5 kV 2000 A 200 kV 125 MVA PCORE 88823-70


PCORE

Neutral Bushing


ABB

Interchangeable with PCORE

Identical to Y Bushings



Identical to X Bushings

1.9 BUSHING CURRENT TRANSFORMERS

The manufacturer shall supply five-tap multi-ratio bushing current transformers (ANSI C800) as specified by the rows checked ( ) in Table 5.

Table 5 - Bushing Current Transformer Requirements

Required Bushings

( ) Terminals

Quantity/Bushing

or Winding

Full-Winding Amperes ( )

H 2

3000:5

2000:5

1200:5

600:5

H

3000:5

2000:5

1200:5

X 2

4000:5

3000:5

2000:5

8000:5

Y 2

4000:5

3000:5

2000:5

Tertiary Stabilizing Winding in Delta

3000:5

2000:5

1200:5

Neutral Bushing

3000:5

1200:5

600:5

800:5



1.10 BUSHING CURRENT TRANSFORMERS

The manufacturer shall supply single-ratio bushing current transformers (Metering Class) as specified by the rows checked () in Table 5.

Table 5 - Bushing Current Transformer Requirements

Required Bushings

( ) Terminals

Quantity/Bushing

or Winding

Full-Winding Amperes ( )

H 1

3000:5

2000:5

1200:5

600:5

H

3000:5

2000:5

1200:5

X 1

4000:5

3000:5

2000:5

8000:5

Y 1

4000:5

3000:5

2000:5

Tertiary Stabilizing Winding in Delta

3000:5

2000:5

1200:5

Neutral Bushing

3000:5

1200:5

600:5



1.1 IMPEDANCE

Impedances shall be designed to match that of an existing transformer or PGE standard as checked () in Table 6.

Table 6 – Transformer Impedance

1.2 PARALLELING

Transformer paralleling requirement is specified by the row checked ( ) below.

Transformer will not be paralleled.

Transformer will be paralleled with existing PGE Equipment #.

Desired Impedance

( ) Percent Impedance Base MVA

H to X Winding

4.4 192

75

42

30

8.5 16.8

8.5 12

Shall Be Determined By Vendor

H to Y Winding


X to Y Winding




1.3 DETC

The de-energized tap changer requirement is specified by the row checked ( ) below.

DETC Required on High Voltage

DETC Not Required 1.4 LTC

The LTC requirements shall be as specified by the rows checked ( ) below.

LTC Required on neutral-end of Low Voltage or Common Winding

LTC Required on High Voltage Winding

LTC Not Required Acceptable Manufacturers:

Reinhausen RMV-II vacuum type with model B or later monitoring system

Other

The voltage regulation of the LTC shall be as specified as checked ( ) below.

Plus and minus 10 percent automatic adjustment of the low-voltage winding voltage in 5/8 percent steps with 16 steps above and 16 steps below rated low voltage.

Plus and minus 5 percent automatic adjustment of the low-voltage winding voltage in 5/8 percent steps with 8 steps above and 8 steps below rated low voltage.

Other The LTC 8 hour current capability, according to section 2.9 (C) of the attached general specification, shall be specified as checked ( ) below.

4500 A



3200 A

1800 A

Manufacturer To Determine LTC Automatic controls shall be as specified as checked ( ) below:

Beckwith Model M-2001C mounted on M-2067 adapter plate with M-0329A LTC backup control.

Reinhausen TAPCON 250 mounted on M-2067 adapter plate. Use Tapcon model #TC250-4-P-E1-03 with a potentiometer to 4-20 mA transmitter from Absolute Process Instruments, Inc. model #API 4003 GI for position indication.

None Required

1.5 OIL The transformer oil shall be provided as checked () below.

Provided by Transformer Manufacturer

Provided by Portland General Electric 1.6 OIL PRESERVATION SYSTEM The transformer oil preservation system shall be as checked ( ) below.

Sealed Inert Gas Pressure System

Regulated Inert Gas Pressure System

Sealed Conservator Tank System Manufacturers Choice 1.7 COOLING

Acceptable cooling system shall be checked () below.

Radiators with Fans

Coolers with Pumps and Fans

Manufacturers Choice



1.8 FIBER OPTIC TEMPERATURE PROBES

Acceptable fiber optic probe sensor manufacturers shall be checked ( ) below.

OpSens’ OTG-T Fiber Optic Temperature Sensor with PowerSens II Signal Conditioner

Other

No Fiber Required 1.9 TRANSFORMER MONITORING

Acceptable transformer monitoring systems are (checked ( ) below):

PGE will install the transformer monitor. All available alarms shall be

wired to terminal blocks for PGE's use.

APT Eclipse Monitor – Model Number ECLIPSE-0013

1.10 ALARMS

The alarm/annunciation points checked () in Table 7, shall be wired to a transformer monitor specified in Section 1.18. Refer to MSTR-3602 for alarm configuration into monitor.

Table 7 – Alarm/Annuciation Points

ALARM

LOW N2 CYLINDER PRESSURE

HIGH MAIN TANK PRESSURE

LOW MAIN TANK PRESSURE

LOW OIL LEVEL ALARM

LOW OIL LEVEL TRIP

TOP OIL TEMP GAUGE 100ºC

PRESSURE RELIEF DEVICE (MAIN TANK)

SUDDEN PRESSURE RELAY TRIP

LOSS OF FAN AC



LOSS OF OIL FLOW

LTC TROUBLE (Lockout, Off Tap, Vacuum Failure, Loss of Power)

LTC HIGH/LOW OIL LEVEL

LTC ACCESSORY TROUBLE

PRESSURE RELIEF DEVICE (LTC)

CALISTO TROUBLE

WINDING TEMPERATURE 120°C (Alarm)

WINDING TEMPERATURE 140°C (Trip)

BLADDER MONITOR

ATS ON ALTERNATE

LTC NEUTRAL CAM SWITCH

LTC FILTER ALARM

SHALL BE DETERMINED LATER

1.11 ON-LINE DISSOLVED GAS & MOISTURE MONITOR

Acceptable on-line dissolved gas & moisture monitor manufacturers and models shall be checked () below.

GE Hydran M2

Morgan Schaffer Calisto 2

Serveron TM5

1.12 LIQUID LEVEL INDICATIORS

Acceptable liquid level gauge manufacturers shall be checked ( ) below.

Qualitrol

Messko

Other

1.13 PRESSURE RELIEF DEVICES

Acceptable pressure relief device manufacturers shall be checked ( ) below.

Qualitrol



Messko

Other

1.14 TOP OIL TEMPERATURE INDICATOR

Acceptable temperature gauge manufacturers shall be checked ( ) below.

Qualitrol

Messko

Other

1.15 WINDING TEMPERATURE INDICATOR

Acceptable temperature gauge manufacturers shall be checked ( ) below.

Qualitrol

Messko

Not Required

1.16 DEHYDRATING BREATHERS

Acceptable dehydrating breather manufacturers shall be as checked ( ) below.

Messko MTraB

Other



1.17 AUXILLIARY POWER SOURCE

The AC control power supply, provided by PGE, shall be as checked ( ) below.

240/120V, single phase, 60 Hz, three-wire source

480 V, Three phase, 60 Hz, four wire source The AC control power automatic transfer switch shall be provided as checked ( ) below. Required

Not Required The DC control power supply, provided by PGE, shall be as checked ( ) below.

125V, two wire ungrounded source (initial control voltage)

48V, two wire ungrounded source (initial control voltage)

Easily convertible between a 48V and 125V, two wire source, initially set up for:

125V, two wire ungrounded source (initial control voltage) 48V, two wire ungrounded source (initial control voltage)

1.18 AUDIBLE SOUND LEVEL

The transformer shall designed to comply with the decibel rating as checked ( ) below.

Standard NEMA TR1

-10 dB relative to NEMA TR1

Other



1.19 ANGULAR DISPLACEMENT OR POLARITY

The transformer angular displacement or polarity shall be as checked ( ) in Figure 1. Figure 1 – Transformer Winding Angular Displacement

1.20 LOSS EVALUATION FACTORS

For evaluation purposes, the losses will be evaluated and the bid price adjusted as follows: Adjusted bid price = (Bid Price) +



(No Load Loss) (K1) + (Full Load Loss) (K2) No Load Loss Cost Multiplier: K1 = $8,706.74/kW Full Load Loss Cost Multiplier: K2 = $4,197.22/kW Total load losses shall include the losses in the LTC regulating winding and the first-stage cooling equipment load. Losses shall be expressed to the nearest 0.1 kW.

1.21 DESIGN REVIEW REQUIREMENTS

If a design review is required, unless approved otherwise, major material items (core steel, copper, insulation material, LTC, bushings, etc.) may not be purchased prior to the approval of the transformer design or without prior approval from PGE. Manufacturer shall include in their schedule adequate time to complete a design review and order material.

Design Review Required

Design Review Not Required 1.22 PGE EQUIPMENT NUMBER

The PGE equipment number specified below shall be included on the transformer nameplate, all transformer drawings and instruction books.

PGE Equipment Number: Reference Purchase Order

1.23 SHIPMENT The transformer shall be shipped with the following requirements as checked ( ) below.

Oil Filled

Without Oil, Pressurized with Dry Air Rider Required For Rail Shipment GPS Enabled Impact Recorders Required For Rail Shipment 1.24 DELIVERY ADDRESS

The transformer shall be shipped to following address:



Substation: Reference Purchase Order Address: , OR

1.25 SUBMITTALS AND TEST REPORTS

Submittals and Test Reports shall be made to the person named below: Name: Rick Tetzloff Email: [email protected] Phone: 503-464-8508 Address: 121 SW Salmon St. Portland, OR 97204

1.26 SUBMITTAL AND DELIVERY DATES

Submittals and transformer delivery shall be made on the following dates: RFQ Issued: Bid Submittal: Purchased Order Issued: Transformer Delivery:

1.27 CORRESPONDENCE

Correspondence regarding this specification or the bid shall be sent to the PGE purchasing department, with copies to: Name: Rick Tetzloff Email: [email protected] Phone: 503-464-8508 Address: 121 SW Salmon St. Portland, OR 97204

1.28 DELIVERY NOTICE

The supplier shall notify the person(s) named below, when the transformer leaves the factory and before arrival at the PGE destination for confirmation of destination and unloading arrangements. Name: Phone:

Documents

S-05-25 Generator Step-Up Transformer DataShts R0 NDA1